Question about Cars & Trucks

2003 Rav 4 Good battery I turn the key to start nothing, no lights no radio When I hook up a charger the horn beeps, Is it the anti-theft? and how do I reset?

1 Answer

Carl Rock

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Cars & Trucks Master
2,873 Answers

Not sure how you determined "good" battery.

Check battery with a DMM, all lights and accessories off and no charger. A reading less than 12.3 VDC indicates failing or under charged battery.

Posted on Jan 15, 2020

5 Related Answers

jeff r

421 Answers

SOURCE: Toyota RAV 4 1.8 A - engine doesn't start after battery exchange

may sound like a dumb question but you didnt by chance hook up the battery or jumpstart the car with polarity reversed by accident at some point during this process? i would check all the underhood main fuses and interior fuses as well, what is the condition of the battery post clamps? if they are badly corroded be sure to clean them very well and wash them with a baking soda and water solution im thinking one of the cables or smaller wires that hook up at the battery is broken or possibly some freak accident happend and the computers need to be flashed at a dealer. either way i wish you luck please rate -jeff

Posted on Sep 01, 2008

mtous2162

58 Answers

SOURCE: my 2005 honda odyssey anti theft activated when my

Not trying to steal your solution, but trying to clean up the unanswered page:
There are two possible answers here:
The simple one: Use your remote control's "unlock" button to reset the anti-theft system.
or a more comlex one that seems to work: (From the original post)"I found out that you remove the horn fuse, shut the doors, put the key in and unlock it two times then put the fuse back in...it resets the anti theft..."

Posted on Apr 21, 2009

edgar walker

3533 Answers

SOURCE: 2001 Explorer; anti theft light steady; no power to car

take the positive side of the battery off for about 3 seconds and then put it back on to see if this will reset the security code

Posted on Apr 26, 2009

Teddi B

232 Answers

SOURCE: anti theft dash light is blinking on my 1998 rodeo

I'm assuming its an original alarm or system that came from factory or dealer. When the light blinks is because the alarm is activated. Look underneath the radio the alarm brain might be there. There will be a label on it saying alarm or security system etc. Disconnect the harness to it and try operating your vehicle.

Posted on May 06, 2009

honeymokey

3113 Answers

SOURCE: Starting disabled due to anti-theft system

Replace ignition lock cylinder and chip key. The wires have broken.

Posted on May 23, 2009

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